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hpi baja 5b ss Pcsc Power Control Slipper Clutch | eBay
50T Mod 1 Slipper Clutch Eliminator Spur Gear for HPI SAVAGE X 21 25 SS 4.6 | eBay
Heavy Duty Helical Supr Gear & Pinion Set 57t/17t For Hpi Baja 5b, Km Buggy, Hpi Baja 5t, Hpi Baja 5sc, Km T1000, Rofun Rc Parts - Parts & Accs - AliExpress